Caption: Reportage at the New Vision clinic in Nice, France. This clinic is one of the main centres for refractive surgery in France, with cutting-edge technology for all eye laser operations. Treating short-sightedness with the PRK (photorefractive keratectomy) technique. PRK is carried out with the Excimer laser. It consists of remodelling the cornea by applying the laser directly onto the surface of the eye having removed the superficial layer of the cornea (epithelium). The epithelium is removed by ablation with a mechanical brush or by using a controlled 30 percent alcohol solution.